Neck pillow



FIG. 1 is a front elevation view of a neck pillow according to one embodiment my new design;

FIG. 2 is a rear elevation view of FIG. 1;

FIG. 3 is a left side elevation view of FIG. 1;

FIG. 4 is a right side elevation view of FIG. 1;

FIG. 5 is a top plan view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1; and,

FIG. 7 is a perspective view of FIG. 1; 

CLAIM The ornamental design for a neck pillow, as shown and described. 